1) foliar dust
叶面降尘
1.
Biomonitoring atmospheric sulfur dioxide using urban tree leaves and foliar dusts in Huizhou, Gongdong province;
惠州绿化乔木叶片及其叶面降尘对大气SO_2污染的生物监测
2.
Particulate size and heavy metal accumulation in foliar dust from urban vegetation in rapidly developing cities;
经济快速发展区域的城市植被叶面降尘粒径和重金属特征
3.
)Corner and Bauhinia blakeana) leaves and their foliar dust in nine sampling sites in different urban areas were determined by ICP-AES.
用ICP-AES测定了惠州市不同功能区的典型绿化树种大叶榕和紫荆叶片及其叶面降尘的重金属含量。
2) foliar dust
叶面尘
1.
Study on the Source Apportionment and Physicochemical Characteristics of Foliar Dust on Urban Plants;
城市植物叶面尘理化特性及源解析研究
2.
The characteristic of particulate size and heavy metal in foliar dust and surface dust from different urban areas
城市不同功能区内叶面尘与地表灰尘的粒径和重金属特征
3.
A five step sequential elution procedure with or without supersonic effect was tested for extraction of foliar dust from leaves of Euonymus japonicus collected at two locations of Beijing urban area.
用多步连续洗脱方法采集了干线道路路侧和远离道路校园内冬青卫矛叶面积尘 ,研究了叶面尘的采集方法 。
4) dust
[英][dʌst] [美][dʌst]
降尘
1.
Chemical characteristics of atmospheric dust in Lanzhou;
兰州市大气降尘的化学特性
2.
Specification of Cu, Pb,Zn,Cr in Dust of Different Diameters;
不同粒径降尘中痕量金属元素Cu、Pb、Zn、Cr的形态分析
3.
Effect of Drop in Dust and Acid Rain Pollution on Accumulation of Metal Ions in Vegetables;
降尘和酸雨对蔬菜中金属离子的影响
5) Dustfall
降尘
1.
Case Analysis on Optimization of Dustfall Sampling Sites;
降尘监测点位优化应用研究
2.
Effects of TSP and Dustfall on Heavy Metal Accumulation in Soil;
大气中TSP和降尘对土壤重金属累积的影响
3.
Mercury Concentration of Total Suspended Particulates and Dustfall in Changchun City and Its Distribution to the Surface;
长春市TSP与降尘中汞含量及其对地面汞贡献的比较研究
6) dust removal
降尘
1.
The authors introduce the application of dynamic-pressure infusion technique with shallow holes,which has proved effective in the aspects of dust removal and outburst prevention.
通过介绍浅孔注水技术在我公司403采煤工作面的应用,说明其在降尘防突等方面所起的效果。
2.
The dust removal technology with negative pressure and its application were introduced.
本文提出的负压降尘技术,是利用高压水通过降尘装置内的引射装置产生高速水雾射流,从而在降尘装置的吸气部分产生负压,使含尘气流被不断地吸入降尘装置,从而得到洗涤和净化,达到降尘的目的。
3.
The dust removal was settled by installing the auto-watering dust removal equipments on the first belt, which improved the workers working conditions.
1#线皮带机安装自动打水降尘装置 ,使 1#线除尘问题得到了基本解决 ,极大地改善了工人的作业环境。
补充资料：叶面肥料
分子式：
CAS号：
性质：直接喷施在植物叶片上供叶片直接吸收的肥料。其优点是：(1)供给养分的速度很快，能及时补救植物对某些养分的供应短缺；(2)养分利用率高，特别是微量养分；(3)可与农药一起喷施。缺点是：(1)肥效短暂；(2)氮磷钾主要养分若单靠叶面施肥，喷施量太大，多耗劳力；(3)喷施叶面肥料的作业受气候条件限制。所以叶面施肥只是土壤施肥的一种补充。配制叶面肥料要选择那些溶解度大、盐度数小的肥料盐或螯合物。
CAS号：
性质：直接喷施在植物叶片上供叶片直接吸收的肥料。其优点是：(1)供给养分的速度很快，能及时补救植物对某些养分的供应短缺；(2)养分利用率高，特别是微量养分；(3)可与农药一起喷施。缺点是：(1)肥效短暂；(2)氮磷钾主要养分若单靠叶面施肥，喷施量太大，多耗劳力；(3)喷施叶面肥料的作业受气候条件限制。所以叶面施肥只是土壤施肥的一种补充。配制叶面肥料要选择那些溶解度大、盐度数小的肥料盐或螯合物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条